Used Jungheinrich Efg 430Ks 115-500 Dz for sale (17,616)

Condition: good (used), Year of construction: 2019, operating hours: 11,162 h, load capacity: 3,000 kg, lifting height: 5,000 mm, fuel type: electric, mast type: triplex, empty load weight: 6,000 kg, mileage: 11,162 km, Electric three-wheel forklift Brand: Jungheinrich Year of manufacture: 2019 Capacity: 3,000 kg Lifting height: up to 5,000 mm Mast lowered height: xxx Equipped with FREELIFT forking Battery: 2024 Equipped with an external charger Automatic filling system Watch the video on YouTube Psdpfxjy Apf Ie Ahlspt

Condition: good (used), Year of construction: 2015, operating hours: 7,380 h, load capacity: 2,500 kg, lifting height: 4,700 mm, fuel type: electric, mast type: triplex, empty load weight: 5,000 kg, mileage: 7,380 km, Electric triplex forklift Brand: Jungheinrich Year of manufacture: 2015 Always maintained by authorized DEALER 7,380 hours Equipped with FREELIFT and SIDESHIFT Capacity 2,500 kg Lifting height 4,700 mm Overall height (overhead clearance): xxx Battery: 2015 Automatic filling system External charger Ppodpoy Apctefx Ahlot

Condition: used, functionality: fully functional, machine/vehicle number: FN306581, load capacity: 3,000 kg, lifting height: 5,500 mm, fuel type: electric, mast type: triplex, construction height: 2,400 mm, fork length: 1,800 mm, drive type: Elektro, Electric 4-wheel forklift Chassis number: FN306581 ISO class: ISO class 3 = 2,500 - 4,999 kg Mast type: Triplex Condition: Ready for operation and fully functional Technical condition: Good Battery voltage: 80V Battery type: PzS Battery year: 2022 Battery condition: 80 - 100% Description: Electric forklift EFG 430, 4059 operating hours, with triplex mast. The machine is equipped with fork positioner and clamp function, as well as 1800 mm forks. Technically in very good condition and ready for immediate use. Tires are worn and should be replaced (approximate cost: €800.00). Otherwise, a top-quality machine. Price: €7,400.00 net. Charger available upon request. Subject to prior sale and errors excepted. Psdpey Hmv Esfx Ahlept Clamp fork, sideshift, fork positioner, Third valve, fourth valve,

Condition: used, functionality: fully functional, Year of construction: 2016, operating hours: 6,874 h, load capacity: 2,500 kg, lifting height: 5,000 mm, free lift: 1,714 mm, fuel type: electric, mast type: triplex, construction height: 2,290 mm, fork carriage width: 1,120 mm, empty load weight: 4,944 kg, total length: 2,441 mm, drive type: Elektro, construction width: 1,198 mm, Electric 4-wheel forklift Ppodpjy Eiyqefx Ahlot Load center: 500 mm ISO class: ISO Class 2 = 1,000 - 2,500 kg Mast type: Triplex Technical condition: very good Front tires type: Non-marking Front tire size: 23x9-10 Front tire condition: 20 - 40% Rear tires type: Superelastic Rear tire size: 18x7-8 Rear tire condition: 40 - 60% Battery voltage: 80V Battery capacity: 775Ah Battery manufacturer: Jungheinrich Battery type: PzS Battery year: 2016 Battery condition: 60 - 80% Description: Inspection & UVV clearance new 3rd valve, 4th valve, rear work lights, front work lights, roof cover, front windshield, half-cab, heater, road approval (STVZO), full cab, full free lift, safety light, non-marking tires, interior mirror, joystick, beacon light, windshield wiper, single-pedal operation, LED, multi-pilot joystick, multi-color display, comfort seat (fabric), hydraulic steering, option button panel, panoramic rearview mirror, spring-loaded brake, flashing beacon, rear FloorSpot, battery can be regenerated on request (at extra cost)

Condition: used, functionality: fully functional, machine/vehicle number: FN394919, Year of construction: 2009, operating hours: 16,000 h, load capacity: 2,000 kg, lifting height: 4,500 mm, free lift: 1,400 mm, load center: 500 mm, fuel type: electric, mast type: triplex, construction height: 2,060 mm, battery manufacturer: SBS, battery model: PB, battery capacity: 750 Ah, remaining battery capacity: 75 %, battery voltage: 48 V, battery weight: 1,013 kg, fork length: 1,200 mm, tire condition: 10 %, front tire type: cushion tires (non-marking), rear tire type: cushion tires (non-marking), empty load weight: 3,300 kg, Equipment: all wheel drive, pallet forks, trailer coupling, The machine is equipped with a box turning device. Podpfx Aoyymunohlept

Condition: used, functionality: fully functional, Year of construction: 2018, operating hours: 5,391 h, load capacity: 1,500 kg, lifting height: 4,800 mm, free lift: 1,555 mm, fuel type: electric, mast type: triplex, construction height: 2,105 mm, fork carriage width: 980 mm, fork length: 1,150 mm, empty load weight: 3,197 kg, total length: 1,774 mm, drive type: Elektro, construction width: 1,060 mm, Electric 3-wheel forklift Load center: 500 mm Fork width: 100 mm Fork thickness: 40 mm ISO class: ISO Class 2 = 1,000 - 2,500 kg Mast type: Triplex Technical condition: very good Front tires type: Non-marking Front tires size: 18x7-8 Front tires condition: 40 - 60% Rear tires type: Non-marking Rear tires size: 140/55-9 Rear tires condition: 20 - 40% Battery voltage: 48V Battery capacity: 500Ah Battery manufacturer: Jungheinrich Battery type: PzS Battery year: 2018 Battery condition: 60 - 80% Description: Inspection and UVV (safety inspection) new Sideshift, 3rd valve, 4th valve, rear working lights, front working lights, safety light, safety pilot, joystick, one-pedal operation, Ppedpfxox Tkhfj Ahlst Single-pedal operation, joystick (Solo-Pilot), comfort seat, multi-color display, electric steering, electric brake, panoramic rear-view mirror, reverse warning device, flashing beacon

Condition: used, functionality: fully functional, machine/vehicle number: FN 57xxxx, Year of construction: 2018, operating hours: 4,841 h, load capacity: 1,500 kg, lifting height: 3,000 mm, free lift: 1,405 mm, fuel type: electric, mast type: duplex, construction height: 1,970 mm, fork length: 1,150 mm, empty load weight: 3,108 kg, total length: 1,785 mm, drive type: Elektro, construction width: 990 mm, Electric 3-Wheel Forklift Chassis number: FN 57xxxx Load center: 500 mm ISO class: ISO Class 2 = 1,000 - 2,500 kg Mast type: Duplex Transmission: AC impulse Condition: Refurbished, without warranty Psdpoy Nt Umjfx Ahljpt Technical condition: very good Front tires type: Non-marking Front tires size: SE 18x7-8 non-marking Rear tires type: Non-marking Rear tires size: SE 18x7-8 non-marking Battery voltage: 24V Battery capacity: 1000Ah Battery manufacturer: IBV Battery type: PzS Battery year of manufacture: 2026 Description: Forklift is under 2 meters in overall height, serviced, fully reconditioned both technically and visually, UVV safety tested, a new battery will be ordered and installed before delivery; sold without warranty/liability for material defects. Includes sideshift, integrated 3rd hydraulic valve, front worklights, overhead guard, load backrest, impulse control system, full free lift, CE certificate, floor spot front and rear, multi-pilot (joystick), panoramic mirror, code lock, new battery with aquamatic system installed prior to delivery, comes with matching external charger, non-marking tires, forklift height under 2 meters!

Condition: refurbished (used), Year of construction: 2013, operating hours: 10,020 h, load capacity: 3,000 kg, lifting height: 4,700 mm, load center: 500 mm, fuel type: electric, mast type: triplex, construction height: 2,180 mm, battery voltage: 80 V, fork length: 1,200 mm, empty load weight: 4,109 kg, Equipment: cabin, FRIEDMANN FORKLIFTS – REFURBISHED BY EXPERTS. FOR PROFESSIONALS IN OPERATION Ppedpjy Rq I Hsfx Ahlst Our forklifts are technically overhauled according to FEM-4.004 and current safety standards – ensuring maximum quality and your safety. From the chassis to the battery, including drive unit, brakes, steering, and electrics – every vehicle is thoroughly inspected and reconditioned. ? Made in Germany – with responsibility and precision ? Rigorous technical inspection ? 400+ vehicles available ? Worldwide shipping & customs clearance ? Service & spare parts at fair prices ? Personal support – even after your purchase Test on-site and get advice now – we will find the right solution for you. Industrial Truck Data: - Manufacturer: Jungheinrich - Model: Counterbalance Forklift EFG 430ks - Drive: Electric - Rated capacity: 3,000 kg - Year of manufacture: 2013 - Operating hours: 10,020 - Lift height: 4,700 mm - Mast type: Triplex - Full free lift: Yes - Closed height: 2,180 mm - Fork length: 1,200 mm - Unladen weight: 4,109 kg - Load center: 500 mm - Tyres: Solid rubber - Model type: EFG 430ks - Battery type: PzS - Voltage: 80 V - Battery weight: 1,683 kg - Cabin type: Full cabin – front, roof & rear window + steel doors (spring-mounted) - Cabin equipment: Solopilot control element - Lighting: 2x front working lights - Lighting: 2x rear working lights - Attachment: Sideshift - Attachment: Additional hydraulic circuit – routed to fork carriage

Condition: used, Year of construction: 2005, weight max. in kg 1.250 kg stroke 4.300 mm Pjdey Dh Uwopfx Ahljpt fork length 1.150 mm load center 600 mm power capacity 2 kW Battery voltage 24 V Curb weight without battery 1.318 kg Battery weight min/max 349/386 kg The forklift is not operational and is being sold as defective! Accessories, tools, and clamping devices shown in the images are only included if specifically stated in the additional information. Technical data and specifications are subject to change without notice. Prior sale is reserved.

Condition: used, machine/vehicle number: 13602, Year of construction: 2007, operating hours: 4,192 h, load capacity: 1,500 kg, lifting height: 3,057 mm, load center: 500 mm, construction height: 1,950 mm, fork length: 1,200 mm, front tire size: 18x7-8 NEU!!, rear tire size: 18x7-8, overall weight: 3,060 kg, enginetype: Electric, manufacturer: Jungheinrich Pedpoy Dmrhsfx Ahlept

Condition: used, functionality: fully functional, machine/vehicle number: FN 57xxxx, Year of construction: 2018, operating hours: 7,294 h, load capacity: 1,500 kg, lifting height: 3,000 mm, free lift: 1,405 mm, fuel type: electric, mast type: duplex, construction height: 1,970 mm, fork length: 1,150 mm, empty load weight: 3,104 kg, total length: 1,785 mm, drive type: Elektro, construction width: 990 mm, Electric 3-wheel forklift Chassis number: FN 57xxxx Load center: 500 mm ISO Class: ISO Class 2 = 1,000 - 2,500 kg Mast type: Duplex Transmission: AC impulse Condition: Refurbished, no warranty Pedpfx Aheywpnfelspt Technical condition: Very good Front tire type: Non-marking Front tire size: SE 18x7-8, non-marking Rear tire type: Non-marking Rear tire size: SE 18x7-8, non-marking Battery voltage: 24V Battery capacity: 1000Ah Battery manufacturer: Jungheinrich Battery type: PzS Battery year: 2018 Description: Serviced, technically and visually reconditioned, UVV-inspected, sold without warranty or liability for material defects Side shifter, integrated 3rd valve, front work lights, overhead guard, load backrest, impulse control, full free lift, CE certificate Front and rear floor spots, multi-pilot (joystick), mechanical door system, panoramic mirror, code lock, non-marking tires, special low-profile build (under 2 meters overall height), battery (07/2018) with Aquamatik (automatic watering system), compatible external charger included

Condition: used, functionality: fully functional, machine/vehicle number: FN 51xxxx, Year of construction: 2016, operating hours: 3,776 h, load capacity: 1,500 kg, lifting height: 4,500 mm, free lift: 1,455 mm, fuel type: electric, mast type: triplex, construction height: 2,090 mm, fork length: 1,150 mm, empty load weight: 3,203 kg, total length: 1,785 mm, drive type: Elektro, construction width: 1,070 mm, Electric 3-wheel forklift truck Chassis number: FN 51xxxx Load center: 500 ISO class: ISO class 2 = 1,000 - 2,500 kg Mast type: Triplex Gearbox: AC-Impulse Condition: Reconditioned without warranty Technical condition: Very good Front tires type: Superelastic Front tires size: SE 18x7-8 Front tires Condition: 80 - 100% Rear tires Type: Superelastic Rear tires Size: SE 18x7-8 Rear tires Condition: 80 - 100% Battery Volt: 24V Battery Ah: 1000Ah Battery manufacturer: Jungheinrich Battery type: PzS Description: professionally reconditioned by the manufacturer, UVV-approved, without warranty/liability for material defects Ppjdporba Ttofx Ahlst Sideshift, attached with quick couplings 3rd valve, roof cover, impulse control, full free lift, flashing light, solo pilot (single lever), interior mirror, battery (regenerated by the manufacturer 11/2023) with Aquamatik, external charger suitable

Condition: excellent (used), functionality: fully functional, machine/vehicle number: 91128554, Year of construction: 2018, operating hours: 1,439 h, load capacity: 1,400 kg, lifting height: 4,550 mm, fuel type: electric, mast type: triplex, power: 6 kW (8.16 HP), battery manufacturer: Jungheinrich, battery model: 4EPZS 620, battery capacity: 620 Ah, remaining battery capacity: 95 %, battery voltage: 48 V, battery weight: 935 kg, fork length: 1,150 mm, tire condition: 65 %, front tire type: cushion tires (black), rear tire type: cushion tires (black), empty load weight: 3,040 kg, total height: 2,200 mm, total length: 2,500 mm, total width: 1,270 mm, color: yellow, Equipment: cabin, centralized greasing system, pallet forks, sideshift, Jungheinrich ETV 214 E GE 115 – 455 DZ, used reach truck; YOM: 2018; S/N: 91128554 running hours: only 1.439; engine type electric with 6,0 kW; capacity: 1.400 kg; mast type: triplex; Lift Height: 4.550 mm; fork length 1150 mm; own weight without battery 2.105; front tyres: cushion, size 1x BA; rear tyres condition: 65%; transmission: three-phase current; battery type: 2018, 48V 4EPZS 620, capacity C5: 620 Ah; battery weight 935 kg, with 24 cells and acid volume of 153 litre; overall weight with battery: 3.040 kg, type of control: standard joystick dimensions: overall length: 2500 mm X overall width: 1270 mm X closed height: 2200 mm; driver protection canopy; full free lift, battery charger model SLT150 year 2018 with S/N: B6835278 Technical condition: very good, service checking made in 25 February 2026; Visual condition: very good The reach truck has 3 new wheels installed. Price: 11.700 Euro + VAT, negotiable , FCA Oradea/Romania Irrtum, Anderungen und Zwischenverkauf vorbehalten / Ppjdoyn In Ropfx Ahlst Subject to errors, changes and prior sale / Ne rezervăm dreptul la greșeli, modificări și vânzare prealabila. We speak English. /Wir sprechen Deutsch./ Beszélünk magyarul. /Nous parlons français/Vorbim romana

Condition: used, machine/vehicle number: 16674, Year of construction: 2016, operating hours: 7,566 h, load capacity: 3,000 kg, lifting height: 6,500 mm, free lift: 1,800 mm, load center: 500 mm, construction height: 2,880 mm, fork length: 1,200 mm, overall weight: 6,112 kg, enginetype: Electric, manufacturer: Jungheinrich Pjdexwf Rajpfx Ahlept

Condition: used, functionality: fully functional, Year of construction: 2019, operating hours: 9,227 h, load capacity: 1,600 kg, lifting height: 6,200 mm, free lift: 2,100 mm, fuel type: electric, mast type: triplex, construction height: 2,610 mm, fork carriage width: 830 mm, fork length: 1,150 mm, empty load weight: 3,300 kg, total length: 1,830 mm, drive type: Elektro, construction width: 1,270 mm, Reach Truck Load Center: 600 ISO Class: ISO Class 2 = 1,000 - 2,500 kg Mast Type: Triplex Technical Condition: Normal Battery Voltage: 48V Battery Ah: 620Ah Battery Manufacturer: Jungheinrich Battery Type: PzS Battery Year of Manufacture: 2019 Battery Condition: 60 - 80% Description: New inspection and accident prevention regulations Ppedpfx Aexya S Djhljt Sideshift, 3rd valve, full free lift, safety light, joystick, single pedal, seat, single-pedal operation, FloorSpot rear and front, flashing light, multi-color display, joystick (multi-pilot), ISM module, battery can be regenerated upon request (for an additional charge).

Condition: used, machine/vehicle number: 16756, Year of construction: 2023, operating hours: 393 h, load capacity: 1,500 kg, lifting height: 5,000 mm, free lift: 1,760 mm, load center: 500 mm, construction height: 2,200 mm, fork length: 1,150 mm, front tire size: 18x6x12, rear tire size: 140/55-0, overall weight: 2,345 kg, enginetype: Electric, manufacturer: Jungheinrich Psdpfx Aox U Hf Nohljpt

Condition: used, functionality: fully functional, machine/vehicle number: FN6033.., Year of construction: 2019, operating hours: 6,887 h, load capacity: 5,000 kg, lifting height: 6,000 mm, free lift: 1,800 mm, fuel type: electric, mast type: triplex, fork length: 1,200 mm, empty load weight: 8,127 kg, drive type: Elektro, Electric 4-wheel forklift Chassis number: FN6033.. Load centre: 600 ISO class: ISO class 3 = 2,500 - 4,999 kg Mast type: Triplex Condition: Ready for operation and fully functional Technical condition: Good Front tyre type: Solid rubber Front tyre condition: 80 - 100% Rear tyre type: Solid rubber Rear tyre condition: 80 - 100% Battery voltage: 80V Battery capacity: 930Ah Battery manufacturer: JH Battery type: PzS Battery year of manufacture: 2019 Psdpfx Ahewzdrtelept Battery condition: 40 - 60% Side shifter, fork positioner, 3rd valve, 4th valve, rear work light, front work light, heater, full cab, white SE tyres.

Condition: used, functionality: fully functional, machine/vehicle number: FN5095.., Year of construction: 2016, operating hours: 3,382 h, load capacity: 3,000 kg, lifting height: 5,500 mm, free lift: 1,600 mm, fuel type: electric, mast type: triplex, construction height: 2,490 mm, empty load weight: 5,814 kg, drive type: Elektro, Electric 4-wheel forklift Chassis number: FN5095.. Load center: 500 ISO class: ISO class 3 = 2,500 - 4,999 kg Mast type: Triplex Condition: Ready for operation and fully functional Technical condition: Good Front tires type: Superelastic Front tires condition: 20 - 40% Rear tires type: Superelastic Rear tires condition: 20 - 40% Battery voltage: 80V Battery capacity: 775Ah Battery manufacturer: JH Battery type: PzS Battery year of construction: 2016 Battery condition: 60 - 80% Sideshifter, SE tires black, not white as shown in the pictures! 3rd valve, 4th valve, rear working lights, front working lights, roof cover, front windshield, half-cab, full free lift, Pedpfxjvxxq Te Ahlopt

Condition: ready for operation (used), functionality: fully functional, machine/vehicle number: 91128553, Year of construction: 2018, operating hours: 1,213 h, load capacity: 1,400 kg, lifting height: 4,550 mm, mast type: triplex, fork length: 1,150 mm, Equipment: sideshift, TECHNICAL DETAILS Load capacity: 1,400 kg Lifting height: 4,550 mm Fork length: 1,150 mm MACHINE DETAILS Mast type: Triplex Power: 6 kW Fuel type: electric Battery model: 4EPZS 620 Battery capacity: 620 Ah Remaining battery capacity: 95% Battery voltage: 48 V Battery weight: 935 kg Tyre condition: 65% Front tyre type: Superelastic tyres (black) Rear tyre type: Superelastic tyres (black) Ppjdpeyq Hirjfx Ahljt Dimensions & Weight Dimensions (L x W x H): 2,500 x 1,270 x 2,200 mm Unladen weight without battery: 2,105 kg Total weight with battery: 3,040 kg Operating hours: 1,213 h EQUIPMENT Cabin Pallet forks Sideshift Central lubrication system Standard joystick Operator protective roof Full free lift Battery charger model SLT150

Condition: good (used), Year of construction: 2016, operating hours: 8,410 h, load capacity: 3,000 kg, lifting height: 4,500 mm, fuel type: electric, mast type: duplex, empty load weight: 5,000 kg, mileage: 8,410 km, Electric duplex forklift Brand: Jungheinrich (Germany) Podpfx Ahey R Aq Telept Year of manufacture: 2016 8,410 operating hours Capacity: 3,000 kg Lifting height: 4,500 mm Mast height when lowered: xxx Equipped with: FORK SPREADER, SIDE SHIFT Battery: 2016 With external charger and automatic filling system Watch the video on YouTube

Condition: used, functionality: fully functional, Year of construction: 2018, operating hours: 5,405 h, load capacity: 2,500 kg, lifting height: 5,000 mm, free lift: 1,700 mm, fuel type: electric, mast type: triplex, construction height: 2,294 mm, fork carriage width: 1,120 mm, fork length: 1,150 mm, empty load weight: 4,124 kg, total length: 2,567 mm, drive type: Elektro, construction width: 1,192 mm, LPG Forklift Load center: 500 Fork width: 120 mm Fork thickness: 40 mm ISO class: ISO Class 2 = 1,000 - 2,500 kg Mast type: Triplex Technical condition: very good Front tire type: Superelastic Front tire size: 7.00-12 Front tire condition: 20 - 40% Rear tire type: Superelastic Rear tire size: 6.00-9 Rear tire condition: 20 - 40% Description: Inspection and safety test (UVV) new Sideshift, 3rd valve, front working lights, roof cover, front windshield, full free lift, single-pedal, control lever, single-pedal operation, electric parking brake, comfort seat, operating hours counter, hydraulic steering Podpoxzl Dhsfx Ahlopt

Condition: good (used), Year of construction: 2018, load capacity: 4,000 kg, fuel type: electric, mast type: triplex, just arrived Podpey Sm Sksfx Ahljpt info to follow

Condition: used, functionality: fully functional, machine/vehicle number: FN568605, Year of construction: 2018, operating hours: 2,737 h, load capacity: 2,000 kg, lifting height: 4,800 mm, free lift: 1,490 mm, fuel type: electric, mast type: triplex, construction height: 2,105 mm, fork carriage width: 980 mm, fork length: 1,050 mm, empty load weight: 3,698 kg, total length: 1,995 mm, drive type: Elektro, construction width: 1,120 mm, Electric 3-wheel forklift Chassis number: FN568605 Load center: 500 mm Fork width: 100 mm Fork thickness: 40 mm ISO class: ISO Class 2 = 1,000 - 2,500 kg Mast type: Triplex Technical condition: very good Front tires type: superelastic Front tires size: 200-50/10 Front tires condition: 40 - 60% Rear tires type: superelastic Ppedpfx Ahsy R E Sajlst Rear tires size: 140-55/9 Rear tires condition: 20 - 40% Battery voltage: 48V Battery capacity: 750Ah Battery manufacturer: Jungheinrich Battery type: PzS Battery year: 2018 Battery condition: 60 - 80% Description: Inspection + new safety check (UVV) Side shifter, 3rd valve, rear work light, front work light, roof cover, front windshield, load backrest, full free lift, safety light, interior mirror, joystick, LED, Single-pedal operation, joystick (multi-pilot), function keypad, front and rear floor spotlights, multi-color display, comfort seat, electric brake, electric steering, panoramic rear-view mirror, LED work lights, battery year 37/2018, battery can be reconditioned on request (for an additional charge).

Condition: good (used), Year of construction: 2015, operating hours: 11,268 h, load capacity: 2,000 kg, lifting height: 4,800 mm, fuel type: electric, mast type: triplex, empty load weight: 3,500 kg, mileage: 11,268 km, Electric triplex forklift Brand: Jungheinrich Year of manufacture: 2015 Capacity: 2,000 kg Lifts up to a height of 4,800 mm Overall height xxx Equipped with FREELIFT and SIDESHIFT Battery from 2023 Comes with external charger Automatic filling system Ppjdpfey Diu Sjx Ahlot

Condition: good (used), Year of construction: 2018, operating hours: 11,513 h, load capacity: 4,000 kg, lifting height: 6,500 mm, fuel type: electric, mast type: triplex, empty load weight: 7,500 kg, mileage: 11,513 km, Electric triplex forklift Brand Jungheinrich Year of manufacture 2018 Capacity 4,000 kg Lifting height up to 6,500 mm Clearance height xxx Equipped with FREELIFT, SIDESHIFT, FORK SPREADER Battery from 2018 Supplied with external charger Automatic filling system Psdpoy A Ragefx Ahlopt